package lab01;

public class Test11 {
    public static void main(String[] args) {
        for (int i = 1; i <= 100; i++) {
            int num = 0;
            for (int j = 1; j <= i; j++) {
                if (i % j == 0) {
                    num++;
                }
            }
            if (num == 2) {
                System.out.println(i + "是素数");
            }
        }
    }
}


